/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.inlong.tubemq.corerpc.client;

/**
 * Interface for receiving asynchronous callbacks. For each request with an
 * asynchronous callback, either {@link #handleResult(Object)} or
 * {@link #handleError(Throwable)} will be invoked.
 */
public interface Callback<T> {

    /**
     * Receives a callback result.
     *
     * @param result the result returned in the callback.
     */
    void handleResult(T result);

    /**
     * Receives an error.
     *
     * @param error the error returned in the callback.
     */
    void handleError(Throwable error);

}
